# A comment, this is so you can read your program later.
# Anything after the # is ignored by python.

print("I could have code like this. This will run.") # and the comment after 5
    #You can also use a comment to "disable" or comment out code
    #print("This won't run.")



# 符号的作用，而且记住它的名字。中文为井号，英文为 octothorpe 或者 pound character)。
# 打开你的 ex2.py 文件，从后往前逐行检查每个单词，与要求输入的内容进行对比。
# 有没有发现什么错误？有的话就改正过来.
# 读你写的习题，把每个字符都读出来。有没有发现更多错误？有的话改正过来。
#
# I could have code like this. This will run.
# I could have code like this.This will run.